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Finding the Fourth Proportional to 3,836.58, 5,758.88 and 3,400.62

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Solution

The fourth proportional to 3,836.58, 5,758.88 and 3,400.62 is: 5,104.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836.58 : 5,758.88 = 3,400.62 : x
  2. Step 2: Convert to fraction form
    3,836.58/5,758.88 = 3,400.62/x
  3. Step 3: Cross multiply
    3,836.58x = 5,758.88 × 3,400.62
  4. Step 4: Simplify right side
    3,836.58x = 19,583,745.50
  5. Step 5: Solve for x
    x = 19,583,745.50/3,836.58
  6. Step 6: Final answer
    x = 5,104.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.